feat: Add image thumbnail rendering in SplitPanelLayoutComponent

- Introduced SplitPanelCellImage component to handle image rendering for table cells, supporting both object IDs and file paths.
- Enhanced formatCellValue function to display image thumbnails for columns with input type "image".
- Updated column input types loading logic to accommodate special rendering for images in the right panel.
- Improved error handling for image loading failures, ensuring a better user experience when images cannot be displayed.

backend-node/src/routes/bomRoutes.ts

@@ -0,0 +1,23 @@
+/**
+ * BOM 이력/버전 관리 라우트
+ */
+
+import { Router } from "express";
+import { authenticateToken } from "../middleware/authMiddleware";
+import * as bomController from "../controllers/bomController";
+
+const router = Router();
+
+router.use(authenticateToken);
+
+// 이력
+router.get("/:bomId/history", bomController.getBomHistory);
+router.post("/:bomId/history", bomController.addBomHistory);
+
+// 버전
+router.get("/:bomId/versions", bomController.getBomVersions);
+router.post("/:bomId/versions", bomController.createBomVersion);
+router.post("/:bomId/versions/:versionId/load", bomController.loadBomVersion);
+router.delete("/:bomId/versions/:versionId", bomController.deleteBomVersion);
+
+export default router;